12193977134 has 16 divisors (see below), whose sum is σ = 18692557056. Its totient is φ = 5963297400.

The previous prime is 12193977119. The next prime is 12193977163. The reversal of 12193977134 is 43177939121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101549 + ... + 186279.

It is an arithmetic number, because the mean of its divisors is an integer number (1168284816).

Almost surely, 2^12193977134 is an apocalyptic number.

12193977134 is a deficient number, since it is larger than the sum of its proper divisors (6498579922).

12193977134 is a wasteful number, since it uses less digits than its factorization.

12193977134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86311.

The product of its digits is 285768, while the sum is 47.

The spelling of 12193977134 in words is "twelve billion, one hundred ninety-three million, nine hundred seventy-seven thousand, one hundred thirty-four".